[1] Chi Mei Med Ctr, Dept Med Res, Yong Kang City 73101, Tainan County, Taiwan
[2] Chi Mei Med Ctr, Dept Neurosurg, Yong Kang City 73101, Tainan County, Taiwan
[3] Chung Hwa Univ Med Technol, Dept Nursing, Tainan, Taiwan
[4] Natl Cheng Kung Univ, Coll Med, Dept Pharmacol, Tainan 70101, Taiwan
[5] Chang Jung Christian Univ, Grad Inst Med Sci, Gueiren Township 71101, Tainan County, Taiwan